TWM597410U - Mobile phone with projection function - Google Patents

Abstract

A mobile phone with a projection function includes a mobile phone host and a projector module and more than one camera module electrically connected to the mobile phone host respectively, the mobile phone host includes a body and is integrally installed on the A display and a bracket of the body, the bracket is pivotally mounted on the body and can maintain an angular relationship with the body; the projector module is fixedly installed on the body, which receives the control of the mobile phone host to generate a projection image, the The projected image includes an image area and a keyboard set; the camera module senses the position and motion of a user's hand within the range of the keyboard set, and outputs the sensing result to the mobile phone host; the mobile phone host according to the The camera module senses one of the hand position and movement, and generates the corresponding control or display function.

Description

Mobile phone with projection function

The invention relates to a mobile phone, in particular to a mobile phone with projection function.

Mobile phones are already indispensable supplies. The continuous evolution of integrated circuit technology has also made the work that mobile phones can perform more diverse. The current mobile phone can already achieve many different functions and applications, such as playing movies and handling paperwork. However, due to the limitation of screen size, the mobile phone has a lot of inconveniences when it is used for word processing or playing movies.

Although some mobile phones currently have a projection function, they still need to use a screen or keyboard for input methods and control methods, which causes many inconveniences. For example, when projecting with a mobile phone, operating the touch screen at the same time may cause the mobile phone to shake and affect the effect of viewing the projection result.

In order to solve the technical problems such as the inconvenience of the existing mobile phone projection technology, the present invention proposes a mobile phone with a projection function, so that the mobile phone can provide images and produce a projection display effect, and the projection content further includes a keyboard and uses sensing technology Detects the user's operation of the projected virtual keyboard, so that the user does not need to directly touch the keyboard or touch screen, achieving the technical effect of non-contact control, and solving the inconvenience of using existing technologies.

The present invention is a mobile phone with a projection function, which includes a mobile phone host and a projector module and more than one camera module electrically connected to the mobile phone host, wherein:

The mobile phone host includes a body and a display and a bracket integrally installed on the body, the bracket is pivotally mounted on the body and can maintain an angular relationship with the body;

The projector module is fixedly installed on the body, and receives a control of the mobile phone host to generate a projected image. The projected image includes an image area and a keyboard set;

The photographing module produces a photographic image corresponding to the projected image area, the photographic image includes a positional relationship between a finger and the projected image, and the photographic image is output to the mobile phone host; and

The mobile phone host generates corresponding text input or executes a setting function according to the positional relationship between the finger in the photographic image of the photographing module and the keyboard set.

Wherein, the mobile phone host includes a body, a display integrated in the body, a bracket slot, a receiving slot, a bracket, an elastic member and a fastener;

The display displays a display content, and its installation is integrated on one front of the body;

The bracket groove is concavely arranged on a bottom surface of the body;

The accommodating groove is recessed in the bracket groove and partially recessed in one side of the body, the side is adjacent to the bottom surface;

The shape of the bracket corresponds to the bracket slot, a pivoting end is pivotally arranged in the machine body and can be sunk in the bracket slot, and a hooking end forms a hook structure position corresponding to the slot position; and

The elastic member and the fastener are sequentially placed in the receiving slot, the elastic member provides a force for the fastener to pop out toward the receiving slot along the side of the body, the partial appearance of the fastener and the hook Corresponding to the structure, the fastener and the hook structure are detachably engaged.

Wherein, the mobile phone with projection function includes a pop-up piece as a reed or spring, one end of which is fixed to the corresponding position of the body in the bracket slot, and a free end protrudes from a surface of the bracket slot, the pop-up piece The bracket is provided to change the ejection force on one of the included angles of the body.

Wherein, the projected image includes an image and a keyboard group, the image corresponds to the display content, and the keyboard group includes a plurality of keys; and

The camera module is fixedly installed on the body and fixed in the vicinity of the projector module. In fact, the camera continues to shoot the corresponding range of the projected image to generate the photographed image, and the mobile phone host.

Wherein, the projected image includes a touch panel. When the user's hand is in this area, the mobile phone host continuously tracks the path of the hand as a reference for the coordinate shift of the corresponding control cursor.

Among them, the mobile phone with projection function includes an infrared camera module, which continuously shoots the projected image area, so as to record the trajectory of finger movement, position and surface contact with the projected image area. The image of the infrared camera module determines the movement track and position of the finger.

Wherein, the shape of the bracket groove is rectangular, trapezoidal or triangular.

It can be known from the foregoing description that the new model has the following functions:

1. The projection function of this new type is integrated into the mobile phone host, and the user does not need to touch the mobile phone host when manipulating the mobile phone host, to solve the existing technical problems.

2. The user does not need to directly touch the mobile phone to perform the control action. The user does not need to use a relatively small screen, but can control the mobile phone on the desktop, greatly improving the convenience of use.

Please refer to the first to fifth figures, which is a preferred embodiment of a new mobile phone with a projection function, which includes a mobile phone host 10 and a projector module electrically connected to the mobile phone host 10 respectively 20 and more than one photography module 30, the mobile phone host 10 includes a body 12 and a display 121 integrally mounted on the body 12, a bracket groove 124, a receiving groove 126, and a bracket 14, an elastic member 16 , A fastener 17 and a pop-up piece 18, the body 12 can be powered by an internal power supply or simultaneously charged externally through a power cord 40, the display 121 can be a touch display, which displays a display content, which Installation is integrated on the front of one of the body 12.

The bracket groove 124 is recessed on a bottom surface of the body 12, and its appearance may be rectangular, trapezoidal, or triangular; the receiving groove 126 is recessed in a corresponding position of the bracket groove 124. In this embodiment, the support groove 124 is a rectangular shape recessed in the middle section of the body 12, the receiving groove 126 is recessed in the support groove 124 and partially recessed on one side of the body 12, the side and the bottom The surfaces are adjacent.

The shape of the bracket 14 corresponds to the bracket groove 124, and a pivoting end is pivotally disposed in the body 12 and can be sunk into the bracket groove 124, and a hooking structure forming a hooking structure 142 position and the accommodating groove 126 position correspondence.

The elastic member 16 and the fastener 17 are placed in the receiving groove 126 in sequence, and the elastic member 16 provides a force for the fastener 17 to be ejected toward the receiving groove 126 along the lateral direction of the body 12. The fastener 17 The partial appearance corresponds to the hook structure 142, so that the fastener 17 and the hook structure 142 form a detachable engagement. The elastic member 16 provides the fastener 17 to continuously engage the bracket 14 so that the bracket 14 continues to be combined with the body 12 in a stored state. After applying the force, the fastener 17 moves correspondingly in the receiving groove 126.

The ejection piece 18 is a reed or a spring, one end of which is fixed to the corresponding position of the body 12 in the bracket groove 124, and a free end thereof protrudes from a surface of the bracket groove 124. Thus, the ejection piece 18 provides the bracket 14 Change the force applied to one of the included angles of the body 12.

The projector module 20 is fixedly installed on the body 12, which can be controlled by the body 12 to generate a projected image 50 by a projector 24. The projected image 50 includes an image 52 and a keyboard set 54. The image 52 Corresponding to the displayed content, the keyboard group 54 includes a plurality of keys. Wherein, the projector module 20 is controlled by the mobile phone host 10 to convert and project the image or screen displayed on the display 121 to generate the projected image 50, the flow of which can be as shown in the seventh figure.

The camera module 30 is fixed to the body 12 and continuously captures the corresponding area of the projected image 50 and the image of a finger and returns the image to the mobile phone host 10. In this embodiment, the camera module 30 is located near the projector module 20, and it may include a camera 32 and a digital image processing module 34 connected in series. After the camera 32 captures an image, it is output to the The digital image processing module 34 outputs the digitized image to the mobile phone host 10 after image processing. The image processing may include compression, noise removal, binarization, cutting, and image feature vector extraction. In this embodiment, the photographing module 30 is fixedly arranged in the vicinity of the projector module 20, and its shooting area continuously corresponds to the projected image 50 area. When a user's finger falls on the projected image 50, the photographic mode The image captured by the group 30 includes the finger, so that the mobile phone host 10 determines whether the finger presses a specific key according to the positional relationship between the finger in the captured image and the projected image 50, and executes the corresponding Program execution or function execution actions, such as generating English alphabet input, selecting specific application programs, performing specific functions such as playback, next page, etc.

To further illustrate that the mobile phone host 10 takes out the image of the camera module 30 and converts it into a technical method that can control other applications or produce output effects, please refer to the sixth figure, after the mobile phone host 10 continues to receive the image, Convert the finger position and motion in the image into a control command according to the following steps. The steps include:

(1) Set the image capture frequency: the mobile phone host 10 accepts to set the image capture frequency of the camera module 30, such as 60Hz. The capture frequency determines the mobile phone host 10's determination of the tracking position of the finger's movement, The higher the acquisition frequency, the better the analysis result of the finger position judgment.

(2) Capture images according to the set frequency: The photography module 30 continuously captures images according to the set capture frequency.

(3) Image binarization: The photography module 30 binarizes images to reduce the amount of information to be processed.

(4) Image cutting: The photographing module 30 cuts the binarized image into a specific range, for example, the range of the image 52, the keyboard group 54 and other areas, and the keys.

(5) Retrieving signal feature values: The camera module 30 or the mobile phone host 10 analyzes the feature values of some or all objects in the captured image. The feature value is that some or all information in the image is converted into a feature matrix, so that subsequent image comparison and processing operations are greatly accelerated.

(6) Image recognition and comparison: the camera module 30 or the mobile phone host 10 compares all or part of the captured images or feature values with information in a database to find the finger part, action and Its position coordinates. In order to avoid the increase in recognition difficulty caused by too many gestures, users can be restricted from using specific gestures to reduce the probability of misjudgment.

(7) Retrieve finger key parameters: The mobile phone host 10 determines the key or action corresponding to the finger according to the captured image. To determine which key the finger falls on, it is judged by the degree to which the keys of the virtual key set of the projected image in the image are blocked by the finger. Because the keys of the keyboard set have a front-rear relationship, when the finger is pressed or located on a specific virtual key, This particular partial image of the key will not be imaged on the desktop but on the finger or hand of the user. Therefore, the image captured by the camera module 30 will be difficult to analyze the rear button where the finger is located. Therefore, through By analysing the integrity of the keys in the captured image, you can guess where the user actually pressed.

(8) Output key commands and execute corresponding application programs or functions: the mobile phone host 10 performs corresponding number or letter input according to the functions (such as function keys, power on, etc.) or keys corresponding to the keys or actions corresponding to the fingers Or perform specific functions.

Further, please refer to the eighth figure, the projected image 50 may include a touchpad 56, when the finger falls on this area, the mobile phone host 10 continues to capture the captured image and after analysis, remove the finger The image continues to track the movement path of the finger, so as to serve as a reference for the coordinate shift of the corresponding control cursor.

Further, the mobile phone with a projection function of the present invention may further include an infrared camera module that continuously shoots the area of the projected image 50 to capture the movement and position of the finger in contact with the surface of the area of the projected image 50 Track. Because the human body is the source of heat, a small amount of heat remains on the desktop after the finger touches the desktop. The residual heat dissipates quickly with time. The infrared camera module shoots the corresponding surface of the projected image 50 and generates different infrared images. As a result, by judging the difference in image chromaticity, identifying the path and position of the actual finger, the chance of identifying errors is reduced.

It can be known from the foregoing description that the new model has the following functions:

1. The projection function of this new type is integrated into the mobile phone host, and the user does not need to touch the mobile phone host when manipulating the mobile phone host, to solve the existing technical problems.

2. The user does not need to directly touch the mobile phone to perform the control action. The user does not need to use a relatively small screen, but can control the mobile phone on the desktop, greatly improving the convenience of use.

10: mobile phone host 12: Body 121: Display 124: bracket slot 126: container 14: Bracket 142: Hook structure 16: Elastic piece 17: Fastener 18: pop-up 20: Projector module 24: projector 30: Photography module 32: Camera 34: Digital image processing module 40: power cord 50: Project image 52: Video 54: keyboard group 56: Touchpad

The first figure is a three-dimensional schematic diagram of the preferred embodiment of the new model. The second figure is a schematic side view of a preferred embodiment of the new model. The third figure is a schematic rear view of the preferred embodiment of the present invention. The fourth figure is a schematic diagram of the operating state of the new preferred embodiment. The fifth figure is a schematic block diagram of the system of the preferred embodiment of the present invention. The sixth and seventh figures are schematic diagrams of the process of the new preferred embodiment. Figure 8 is a schematic diagram of a virtual projection including a mouse board according to a preferred embodiment of the present invention.

14: Bracket

12: Body

124: bracket slot

Claims (7)

A mobile phone with projection function includes a mobile phone host and a projector module and more than one camera module respectively electrically connected to the mobile phone host, wherein: the mobile phone host includes a body and integrated installation A display and a bracket on the body, the bracket is pivotally mounted on the body and can maintain an angular relationship with the body; the projector module is fixedly installed on the body, which generates a projected image under the control of the mobile phone host , The projected image includes an image area and a keyboard set; the photographing module generates a photographic image corresponding to the projected image area, the photographic image includes a positional relationship between a finger and the projected image, and the photographic image is output to the action A telephone host; and the mobile phone host generates corresponding text input or executes a setting function according to the positional relationship between the finger in the photographic image of the photographing module and the keyboard set. The mobile phone with projection function according to claim 1, wherein the mobile phone host further includes a bracket slot, a receiving slot, an elastic member and a fastener; the display displays a display content, and its installation is integrated in A front face of the body; the bracket groove is recessed on a bottom surface of the body; the containing groove is recessed in the bracket groove and partially recessed on one side of the body, the side is adjacent to the bottom surface; The shape of the bracket corresponds to the bracket slot, a pivoting end is pivotally arranged in the machine body and can be sunk into the bracket slot, a hooking end forms a hook structure position corresponding to the slot position; and the elasticity The fastener and the fastener are sequentially placed in the receiving slot, and the elastic member provides a force for the fastener to pop out toward the receiving slot along the side of the body. The partial appearance of the fastener corresponds to the hook structure So that the fastener and the hook structure can be detachably engaged. The mobile phone with projection function according to claim 2, which includes a pop-up piece, the pop-up piece is a reed or a spring, one end of the pop-up piece is fixed to the corresponding position of the body in the bracket slot, the pop-up piece 1 The free end protrudes from one surface of the bracket groove, and the ejection piece provides the bracket to change the ejection force on one of the included angles of the body. The mobile phone with projection function according to any one of claims 2 to 3, wherein the projected image includes an image and a keyboard group, the image corresponds to the display content, and the keyboard group includes a plurality of keys; and the The camera module is fixed on the machine body and fixed to the adjacent position of the projector module, continuously shooting the corresponding range of the projection image to generate the camera image. The mobile phone with projection function as described in claim 4, wherein the projected image includes a touchpad. When the user's hand is in this area, the mobile phone host continuously tracks the path of the hand as a corresponding control cursor Coordinate shift reference. The mobile phone with a projection function as described in claim 5, which includes an infrared camera module that continuously shoots the projected image area so as to photograph the movement and position of the finger in contact with the surface of the projected image area Track, the mobile phone host determines the movement track and position of the finger according to the image of the infrared camera module. The mobile phone with projection function as described in claim 6, wherein the shape of the bracket slot is rectangular, trapezoidal or triangular.

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